Whitney Bjerken Age, Bio, Parents, Profile | Contact ( Phone Number, Social Profiles, Postal Address) Lookup- WHITNEY BJERKEN is a popular new sensational 12 – Years old cute YouTube Personality as well as an artistic gymnast who was a member of the U.S. National TOPs B Team when she was only at the age of 10. She has a younger sister named Blakely, who is featured on her channel. She also has brothers named Sterling and Braxton. In 2012, she became a Georgia AA State Champion. She has an account on Instagram where she has amassed more than 178K followers.